Navy Blue Semi Formal Dresses

Navy blue semi formal dresses are here to turn every RSVP into a reason to celebrate. Whether you’re headed for a night out with your ride-or-die crew or making an entrance at that can’t-miss event, these dresses serve up major main character energy. With the perfect blend of elegance and edge, you’re set to steal the spotlight—no permission needed. Get ready to say yes to every invite, because navy blue semi formal dresses are about to make you the best-dressed guest in the group chat.

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$38.90

4.75 star rating

A glamorous navy blue mini dress in glitter satin with a bodycon silhouette and adjustable straps.

$79.90

5 star rating

A navy blue sequin satin A-line dress with adjustable straps and an eye-catching lace-up back.

Best Seller

$109.90

4.71875 star rating

A chic navy blue mermaid dress with sequins, featuring a lace-up back and thigh-high slit.

Best Seller

$42.90

4.68254 star rating

A navy blue knit midi dress with a sleeveless cowl neckline and chic high front slit.

$59.90

4.560748 star rating

A navy blue satin wrap midi dress with a cowl neckline and adjustable spaghetti straps.

$59.90

4.457627 star rating

A glamorous navy blue glitter knit dress with a cowl neckline and sultry high side slit.

$109.90

4.754386 star rating

A navy blue satin formal dress with a cowl neck, lace-up back, and hidden side pockets.

$59.90

4.480769 star rating

A navy blue satin midi dress with a pleated cowl neckline and a high side slit.

$74.90

4.416667 star rating

A navy blue glitter knit mermaid dress with a square neckline and lace-up open back.

$89.90

4.2 star rating

A navy blue bodycon dress with glitter polka dots, lace-up back, and adjustable spaghetti straps.

$89.90

4.571429 star rating

A shimmering navy blue A-line dress with a sleeveless cowl neckline and high-cut front slit.

$109.90

4.692308 star rating

An elegant navy blue satin gown with a cold shoulder design and sultry front slit.

$69.90

4.461538 star rating

A navy blue satin glitter mermaid dress with a strapless neckline and pleated bodice.

$39.90

4.769231 star rating

A navy blue satin mini dress featuring a strapless neckline, side pleats, and a flattering A-line silhouette.

$119.90

4.272728 star rating

An elegant navy blue A-line gown with shimmering sequins and glitter on flowy tulle fabric.

$99.90

4.727273 star rating

An elegant navy blue satin dress with a lace-up back and high slit for formal occasions.

$129.90

4.7 star rating

An elegant navy blue ball gown with ruffled tulle, ruched bodice, and adjustable spaghetti straps.

Sale

$14.97 $62.90 76% off

4.555555 star rating

A navy blue velvet dress featuring an off-shoulder neckline and corset mesh-illusion bodice.

$69.90

4.25 star rating

A navy blue mermaid dress with a strappy open back and sleek, stretchy knit fabric.

$42.90

5 star rating

A navy blue velvet midi dress with a sleeveless sweetheart neckline and pleated bodice.

$52.90

4.714286 star rating

A navy blue glitter knit bodycon dress with a V-neckline and adjustable spaghetti straps.

Best Seller

$69.90

4.714286 star rating

A navy blue knit mermaid dress featuring lace trim, flutter straps, ruching, and a lace-up back.

Sale

$22.97 $49.90 54% off

5 star rating

A navy blue glitter midi dress with a square neckline, spaghetti straps, and wrap slit hem.

$59.90

4 star rating

A navy blue satin formal dress featuring a halter neckline, open back, and high front slit.

$59.90

4.5 star rating

A navy blue velvet mini dress with a sequin pattern, lace-up back, and bodycon silhouette.

Sale

$19.97 $49.90 60% off

4.25 star rating

A navy blue glitter lace midi dress with a plunging V-neckline and lace-up back.

$99.90

4.666667 star rating

A navy blue mermaid gown with glitter knit fabric, cowl neckline, and adjustable spaghetti straps.

$76.90

4.666667 star rating

A navy blue mermaid dress with a chiffon tie-back and floral velvet pattern for formal occasions.

Sale

$9.97 $42.90 77% off

5 star rating

A navy blue glitter mini dress with a one-shoulder neckline and sheer fitted long sleeve.

$74.90

4.666667 star rating

A navy blue glitter knit one-shoulder dress with a high slit and floor-length silhouette.

$54.90

3.666667 star rating

A navy blue floral satin dress with a lace-up back and flirty A-line silhouette.

$34.90

5 star rating

A navy blue satin-knit midi dress with a strapless neckline and ruched detailing for a chic silhouette.

$42.90

3.5 star rating

A navy blue bodycon mini dress featuring glitter mesh, adjustable straps, and a ruched design.

$99.90

4 star rating

A navy blue velvet mermaid dress with sequin embroidery and an open lace-up back.

Best Seller

$89.90

4.5 star rating

A sophisticated navy blue satin dress with a strapless neckline and pleated mermaid silhouette.

$59.90

5 star rating

A navy blue velvet midi dress with a corset bodice, cowl neckline, and front wrap slit.

$59.90

5 star rating

A navy blue sequin mini dress with puff sleeves and a romantic sweetheart neckline.

$169.90

4.5 star rating

An elegant navy blue A-line dress with glitter sequins, featuring a sweetheart neckline and sheer corset bodice.

$99.90

5 star rating

A navy blue strapless formal dress featuring a crepe bodice and satin A-line skirt.

$59.90

4.5 star rating

A navy blue satin formal dress with a strapless neckline, padded cups, and a high wrap slit.

$59.90

4 star rating

A navy blue strapless mermaid dress in smooth knit fabric, featuring a high front slit and padded cups.

$79.90

5 star rating

A navy blue mermaid dress with a glittery finish, lace-up back, and high front slit.

$59.90

5 star rating

A navy blue velvet mermaid dress with a floral pattern, sleeveless cowl neckline, and high-side slit.

$119.90

5 star rating

A navy blue ball gown featuring a glitter corset bodice and lace-up back for elegant occasions.

Sale

$9.97 $44.90 78% off

5 star rating

A navy blue satin mini dress with a one-shoulder neckline and bodycon silhouette.

$69.90

5 star rating

A navy blue glitter satin formal dress featuring a pleated cowl neckline and high-cut front slit.

$79.90

3 star rating

A navy blue satin formal dress featuring a strapless neckline and a high side slit.

$79.90

5 star rating

A navy blue mesh mermaid dress adorned with colored rhinestones and faux pearls for elegant formal occasions.

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Windsor Rowena Sequin Mermaid Dress in Navy Blue
(160) 4.71875 star rating

Chic and glamorous, the Rowena sequin mermaid long dress will stylishly elevate your formal night-out look. With a lace-up strap design and fitted mermaid silhouette with a high slit, you'll deliver stunning style. Fit & FeaturesSheer mesh fabric, knit lining, moderate stretch, embroidered sequin scroll design, Sleeveless square neckline, padded bust, Spaghetti straps, open back, lace-up strap design, tie closure, Lower back zipper with hook and eye closure, High waist seam, Fitted floor-length mermaid silhouette, high front slit, Runs true to size, Where to Wear:Prom, black-tie parties and galas, fancy engagement parties Free Shipping on All Orders Over $75. | Windsor Rowena Sequin Mermaid Dress in Navy Blue | Size: M | Knit Fabric/Mesh Fabric/Sheer Mesh Fabric

Windsor Lola Formal High Slit Glitzy Glitter Dress in Navy Blue
(59) 4.4576273 star rating

Flaunt your glam style in the fabulous Lola high slit glitter dress! She features a trendy cowl neckline with a slim-fit bodice, a floor-sweeping silhouette with a sultry high side slit to elongate your legs, and a form-hugging fit. She is composed of glitzy glitter knit fabric that offers a curve-hugging fit with a moderate stretch. Pair this gorgeous long dress with a sleek ring set to add some glamour to your look for your special occasion. Fit & FeaturesCowl neckline, spaghetti straps, Slim-fit bodice, form-hugging fit, Floor-length silhouette, Thigh-high side slit, Glitter knit fabric, mini-length inner knit lining, moderate stretch, Sticky bra recommended, Runs true to size, The saturation of glitter varies. Glitter may transfer. Free Shipping on All Orders Over $75. | Windsor Lola Formal High Slit Glitzy Glitter Dress in Navy Blue | Size: L | Knit Fabric

Windsor Sophie Glitter Knit Mermaid Dress in Navy Blue
(36) 4.4166665 star rating

Effortlessly elegant, the Sophie glitter knit mermaid dress would be a stunning choice for a formal gala. She features a square neckline, short puff sleeves, a partially open back with a lace-up strappy design for a customized fit, a high waist seam, a floor-length hem, and a mermaid silhouette with a high front slit to showcase your heels. The glitter knit fabric offers a moderate stretch. Complete the look in this long dress with rhinestone statement earrings. Fit & FeaturesSquare neckline, Short puff sleeves, Open back, lace-up strappy design, tie closure, High waist seam, Floor-length hem, mermaid silhouette, front slit, Glitter knit fabric, moderate stretch, Sticky bra or pasties recommended, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Sophie Glitter Knit Mermaid Dress in Navy Blue | Size: XS | Knit Fabric/Rhinestone

Lucille Formal Satin Mermaid Dress in Coral
(29) 4.827586 star rating

The Lucille formal satin dress will have you looking and feeling radiant and luxe! The dress captivates with a lace-up back, mermaid silhouette, and high front slit for effortless allure. Fit & FeaturesLined satin knit fabric, minimal stretch, Sleeveless square neckline, padded bust, adjustable spaghetti straps, Open lace-up back design, zipper and hook-eye closure, Fitted bodice, front ruched seam, high-cut slit, Mermaid silhouette, floor-length hem, Runs true to size, Where to Wear:Prom, weddings, bridesmaids, black tie galas, red-carpet events, nights at the opera or theatre, big milestone celebrations Free Shipping on All Orders Over $75. | Windsor Lucille Formal Satin Mermaid Dress in Coral | Size: L | Knit Fabric/Satin Fabric

Gwendolyn Glitter Knit Bow-Back Mermaid Dress in Black
(23) 4.478261 star rating

The Gwendolyn glitter knit bow-back mermaid dress will have you sparkling up the night with a glamorous allure. She features a sleeveless square neckline, a bold backless design, a high waist seam, a chic bow accent at the lower back with a flowy floor-length train, a floor-sweeping hem with a mermaid silhouette, and a form-hugging fit. Style this long dress with a rhinestone clutch for a black-tie wedding. Fit & FeaturesSleeveless square neckline, spaghetti straps, Backless design, high waist seam, Bow-back accent, floor-length train, Floor-sweeping hem, mermaid silhouette, Form-hugging fit, Glitter knit fabric, Sticky bra or pasties recommended, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Gwendolyn Glitter Knit Bow-Back Mermaid Dress in Black | Size: XL | Knit Fabric/Rhinestone

Priscilla Formal Satin Strapless Mermaid Dress in Taupe
(23) 4.347826 star rating

Make it an elegant entrance in the Priscilla formal satin dress with a curve-hugging mermaid silhouette and floor-sweeping hem for dramatic flair. Fit & FeaturesLined silky satin fabric, minimal stretch, Strapless sweetheart neckline, Pleated, lightly padded bust, non-slip grip lining, Slim-fit bodice, high waist seam, hip-hugging fit, Floor-sweeping hem, mermaid silhouette, Runs true to size, Where to Wear:Prom, weddings, bridesmaids, black-tie galas and events, and fancy milestone celebrations. Free Shipping on All Orders Over $75. | Windsor Priscilla Formal Satin Strapless Mermaid Dress in Taupe | Size: M | Satin Fabric

Windsor Kathie Formal Satin One-Shoulder Dress in Gold
Sale
(21) 4.7619047 star rating

Sleek and sultry, the Kathie formal satin dress is destined to shine at banquets, galas, and black-tie weddings! She features a sophisticated one-shoulder neckline, a wide shoulder strap, a pleated side seam, a mermaid silhouette, and an asymmetrical high front slit along her graceful long hem. The formal dress is composed of luxurious satin-lined fabric with a sheen effect and minimal stretch. Complete the look with hoop earrings. Fit & FeaturesOne-shoulder neckline, wide shoulder strap, Back zipper and hook-eye closure, Pleated side seam, asymmetrical high front slit, Mermaid silhouette, long hem, Lined silky satin fabric, sheen effect, minimal stretch, Strapless bra or pasties recommended, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Kathie Formal Satin One-Shoulder Dress in Gold | Size: XS | Satin Fabric

Windsor Delia Formal Cowl Neck Long Dress in Black
(19) 4.894737 star rating

Flattery will get you everywhere in the Delia formal long dress that boasts a flattering mermaid silhouette with a high front slit for effortless allure all evening! Fit & FeaturesLined smooth knit fabric, moderate stretch, Sleeveless cowl neck, pleating, Spaghetti straps, lace-up back, Mermaid silhouette, High front slit, floor-length hem, Runs true to size, Where to Wear:Prom, weddings, bridesmaids, engagement parties, rehearsal dinners, milestone celebrations, dinner parties, dressy date nights Free Shipping on All Orders Over $75. | Windsor Delia Formal Cowl Neck Long Dress in Black | Size: L | Knit Fabric

Windsor Alicia Off-The-Shoulder Mermaid Formal Dress in Gold
(19) 4.7894735 star rating

Spend an evening in the timeless elegance of the Alicia floor-length formal dress and feel like a work of art! The side ruched seams accentuate your curves along the mermaid silhouette, and the high front slit adds a touch of drama to the floor-length hem. Fit & FeaturesSmooth knit fabric lined with stretchy knit, Padded bra cups, Back zipper and hook-eye closure, High front slit, Mermaid silhouette, Runs true to size, Where to Wear:Prom, galas, black tie parties, weddings, bridesmaids, nights at the theatre and opera, red-carpets Free Shipping on All Orders Over $75. | Windsor Alicia Off-The-Shoulder Mermaid Formal Dress in Gold | Size: XS | Knit Fabric

Windsor Emmie Lace-Up Mermaid Satin Formal Dress in Sage
(19) 4.5263157 star rating

Sleek and sophisticated! The Emmie satin formal dress exudes elegance with a lace-up back and flattering mermaid silhouette that accentuates your figure. Fit & FeaturesStretchy satin-knit fabric, lined bust, Spaghetti straps, V-neckline, Lace-up back, Mermaid silhouette, floor-length hem, Runs true to size, Where to Wear:Prom, black-tie galas, weddings, bridesmaids, formal parties, and red-carpet events. Free Shipping on All Orders Over $75. | Windsor Emmie Lace-Up Mermaid Satin Formal Dress in Sage | Size: L | Satin Fabric